myxoid/round cell liposarcoma (MONDO_0020561, a Monarch Disease Ontology term) (MRCLS) is a type of liposarcoma (LS) mostly located in the limbs, with a variable behavior depending on the histological subtype. Both myxoid and round cell are distinct histological subtypes of LS. Also known as: MRCLS, myxoid/round-cell liposarcoma.